package cn.kgc.crowdfundingadminspringboot2.service;

import cn.kgc.crowdfundingadminspringboot2.common.CrowdFundingUtils;
import cn.kgc.crowdfundingadminspringboot2.mapper.AdminMapper;
import cn.kgc.crowdfundingadminspringboot2.pojo.Admin;
import cn.kgc.crowdfundingadminspringboot2.pojo.AdminExample;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;
import java.util.Objects;

@Service
public class AdminServiceImpl implements AdminService {
    @Resource
    AdminMapper adminMapper;

    @Override
    public Admin selectById(Integer id) {
        return adminMapper.selectByPrimaryKey(id);
    }

    @Override
    public Admin login(String loginAcct, String userPswd) {
        AdminExample adminExample=new AdminExample();
        adminExample.createCriteria().andLoginacctEqualTo(loginAcct);
        List<Admin> list = adminMapper.selectByExample(adminExample);
        if (CrowdFundingUtils.collectionEffective(list)==false){
            return null;
        }
        Admin admin = list.get(0);
        if (admin==null){
            return null;
        }

        String md5 = CrowdFundingUtils.md5(userPswd);
        if (Objects.equals(md5,admin.getUserpswd())){
            return admin;
        }
        return null;
    }

    @Override
    public PageInfo<Admin> queryForKeywordSearch(Integer pageNum, Integer pageSize, String keyword) {
            PageHelper.startPage(pageNum,pageSize);
            PageInfo<Admin> pageInfo=null;
            if (keyword!=null&&keyword.length()>0){
                AdminExample example=new AdminExample();
                AdminExample.Criteria criteria = example.createCriteria();
                criteria.andLoginacctLike("%"+keyword+"%");

                AdminExample.Criteria criteria2=example.createCriteria();
                criteria2.andUsernameLike("%"+keyword+"%");
                example.or(criteria2);

                AdminExample.Criteria criteria3=example.createCriteria();
                criteria3.andEmailLike("%"+keyword+"%");
                example.or(criteria3);
                List<Admin> list=adminMapper.selectByExample(example);
                pageInfo=new PageInfo<>(list);
            }else{
                List<Admin> list=adminMapper.selectByExample(null);
                pageInfo=new PageInfo<>(list);
            }
            return pageInfo;
    }

    @Override
    public void batchRemove(List<Integer> adminIdList) {
        AdminExample example=new AdminExample();
        AdminExample.Criteria criteria = example.createCriteria();
        criteria.andIdIn(adminIdList);

        adminMapper.deleteByExample(example);
    }


    @Override
    public void saveAdmin(Admin admin) {
        String userPswd = admin.getUserpswd();
        userPswd = CrowdFundingUtils.md5(userPswd);
        admin.setUserpswd(userPswd);

        // 执行保存
        adminMapper.insert(admin);
    }

    @Override
    public Admin getAdminById(Integer adminId) {
        return adminMapper.selectByPrimaryKey(adminId);
    }

    @Override
    public void updateAdmin(Admin admin) {
        // 对密码进行加密
        if (CrowdFundingUtils.stringEffective(admin.getUserpswd())){
            String userPswd = admin.getUserpswd();
            userPswd = CrowdFundingUtils.md5(userPswd);
            admin.setUserpswd(userPswd);
        }
        adminMapper.updateByPrimaryKeySelective(admin);
    }

}
